Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Exposure Assessment of Dust and Airborne Microorganisms among Workers in a Clothing Shopping Center

의류쇼핑센터 근로자의 분진 및 부유미생물에 대한 노출평가

  • Oh, Sung Eop (Department of Industrial Health, Catholic University of Pusan) ;
  • Kim, Ki Youn (Department of Industrial Health, Catholic University of Pusan)
  • 오성업 (부산가톨릭대학교 산업보건학과) ;
  • 김기연 (부산가톨릭대학교 산업보건학과)
  • Received : 2015.02.25
  • Accepted : 2015.06.12
  • Published : 2015.06.30
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Abstract

Objectives: The purpose of this study is to assess the exposure level to dust and airborne microorganisms among employed workers in a clothing shopping center. Materials and Methods: On-site investigation of a clothing shopping center was performed between October and November 2012. The hazardous substances measured in this study are particulate matter(Total dust, respirable dust) and airborne microorganisms (Total airborne bacteria, total airborne fungi). Results: The highest geometric mean levels of particulate matter(total dust, respirable dust) for personal sampling were $1.735(SD:0.883)mg/m^3$ for total dust and $0.0711(SD:0.008)mg/m^3$ for respirable dust, respectively. Those for area sampling were $0.625(SD:0.091)mg/m^3$ for total dust and $0.0718(SD:0.012)mg/m^3$ for respirable dust, respectively. The highest geometric averaged concentrations of airborne microorganisms(Total airborne bacteria, total airborne fungi) were detected at $1,181(SD:105)cfu/m^3$ for total airborne bacteria and $683(SD:114)cfu/m^3$ for total airborne fungi, respectively. Concentrations of particulate matters and airborne microorganism in clothes shopping center did not correlate significantly with environmental factors such as temperature or relative humidity. Conclusions: Exposure levelshave not been established for service workers. Thus, health risk assessment for this group is very difficult. Health guidelines for service workers should be established as soon as possible.

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References

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